Error creating bean with name 'XXX': Injection of autowired dependencies failed解决办法

电玩女神 2021-12-14 08:19 420阅读 0赞

使用SpringMVC框架，这条完整的error：

org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'accountCtrl': Injection of autowired dependencies failed; nested exception is org.springframework.beans.factory.BeanCreationException: Could not autowire field: private com.bing.mapper.wxcms.service.AccountService com.bing.mapper.wxcms.ctrl.AccountCtrl.accountService; nested exception is org.springframework.beans.factory.NoSuchBeanDefinitionException: No qualifying bean of type \[com.bing.mapper.wxcms.service.AccountService\] found for dependency: expected at least 1 bean which qualifies as autowire candidate for this dependency. Dependency annotations: \{@org.springframework.beans.factory.annotation.Autowired(required=true)\}

报错中异常为NoSuchBeanDefinitionException，指出没有找到要注入的内容（service或dao），从两方面着手：

1、检查下在spring配置中，是否将对应的包加入扫描。

dao配置：  
  
<bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">  
      
    <property name="sqlSessionFactoryBeanName" value="sqlSessionFactory"/>  
      
    <property name="basePackage" value="com.bing.mapper.\*\*.dao"/>  
</bean>

扫描service包下所有使用注解的类型  
<context:component-scan base-package="com.bing.mapper.\*\*.service"/>

2、检查对应的注解有没有加上，可能没加@service

@Service  
public class AccountServiceImpl implements AccountService \{  
   
    @Autowired  
    private AccountDao accountDao;  
   
    public List<Account> listForPage(Account searchEntity) \{  
        return accountDao.listForPage(searchEntity);  
    \}  
\}

\---------------------   
作者：夏日踩冰   
来源：CSDN   
原文：https://blog.csdn.net/a411358606/article/details/54426424

Error creating bean with name 'XXX': Injection of autowired dependencies failed解决办法

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